Cryptology ePrint Archive: BibTeX Citation of Report 2011/196

@misc{cryptoeprint:2011:196,
    author = {Ye Zhang and Chun Jason Xue and Duncan S. Wong and Nikos Mamoulis and S.M. Yiu},
    title = {Acceleration of Composite Order Bilinear Pairing on Graphics Hardware},
    howpublished = {Cryptology ePrint Archive, Report 2011/196},
    year = {2011},
    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.