You have first start a diet!
http://www.livestrong.com/article/416925-exercises-to-get-rid-of-a-muffin-top-belly/
You definitely should get on a diet and exercise. To specifically answer your question, perform compound exercises such as squats. You should definitely look into getting on a training program, but before you do consult a physician.
matt
dailyRx
the nike training club app has smple wotk outs that cater to different areas of your body, look into it