First, why is this in General section, shouldn't it be in off topic? Second..... To hand vectorize it it'll take a while..... However.... VectorMagic can do a decent job of vectorizing images and offers conversion to "EPS, SVG, PDF, AI, DXF and EMF" according to the site (likely you'll be using SVG or EPS though (SVG = Scalable Vector Graphics, EPS = Encapsulated PostScript):
http://vectormagic.com/home