A few basic tips:
ad 1. Apart from the fact that it is impossible to read your entire paper in the 15 to 20 minutes you will have for your presentation, if you do try, you are missing the point of what a presentation should be and you miss the opportunity to "sell" your paper and your research to the audience. The audience will get bored and loose interest within minutes if not seconds.
ad 2. The basic structure:
Introduction: Tell them what you are going to tell them.
Heart of talk: Tell them
Conclusion: Tell them what you just told them.
ad 3. Powerpoint and similar can be used in support of your talk, but they can also be distractive. Do not put too much information on one sheet and certainly not the entire text of your paper (yes, this has actually been done). Keep it clean and simple and limited to only a few. Do not just only read what is on the sheet. Your audience is quite capable to do so and in the process you might turn your back on the audience, which of course does not work well.
ad 4. Take your time to prepare your talk and if possible have a look at the room some time before you have to present to get a feel for the room. Do not just take a deep breath and plunge in, but take some time to give your audience the chance to quiet down and then introduce yourself. Start with a small anecdote or story to connect and then move on to the serious bit.
If you type in "How to present a paper" of something similar in Google you get lots of links to interesting and helpful websites. We have selected just a few to get you started.
Hope this information will help you and we wish you good luck with your presentation!