Writing this kind of a document won't be so hard if you use a good sample CV. It will show you what sections CV should have and what data to provide. When familiarizing with it, think simultaneously of information that you will put into your own CV.
As a rule, Curriculum Vitae includes candidate's personal information, educational background and qualifications, interests and achievements, proper skills and references, as well as already mentioned above data. Look at the sample format and define whether it is suitable in your case. The format has to be modern and professional at the same time. Although there isn't any set format, you can find which you like most if you consider many samples.