How to mapping the Bezier surface with BMP picture?

Hello,my name is Carl,I am a beginer of OpenGL.Recently,I met a problem that I don’t know how to map the Bezier surface with BMP picture.But I know how to map a cube.Since it’s a homework assigned by my teacher,I must hand in in next week,I feel urgent.Can you help me.Thank you first.You can email me at:ncyangming@163.com.