Despite popular myth uni is not stuffed with amazing potential boyfriends. I'm not really attracted to the guys at my university that I've met so far either. However I'm not desperate to be in a relationship, in fact I enjoy my independence!
If you find you're not attracted to the guys at your uni then start looking outside of university activities. Although uni is great fun and there is lots going on there, I make a point of doing some activities which aren't organised by my union. I like knowing a mix of people and as I worked for a few years before coming to university I find I need that blend of 'normal' people, alonside my university buddies.