Cryptology ePrint Archive: BibTeX Citation of Report 2005/319

@misc{cryptoeprint:2005:319,
    author = {Xiaofeng Chen and Fangguo Zhang and Shengli Liu},
    title = {ID-based Restrictive Partially Blind Signatures and Applications},
    howpublished = {Cryptology ePrint Archive, Report 2005/319},
    year = {2005},
    note = {\url{http://eprint.iacr.org/}},
}

You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.