Cryptology ePrint Archive: BibTeX Citation of Report 2009/056

@misc{cryptoeprint:2009:056,
    author = {David Kammler and Diandian Zhang and Peter Schwabe and Hanno Scharwaechter and Markus Langenberg and Dominik Auras and Gerd Ascheid and Rainer Leupers and Rudolf Mathar and Heinrich Meyr},
    title = {Designing an ASIP for Cryptographic Pairings over Barreto-Naehrig Curves},
    howpublished = {Cryptology ePrint Archive, Report 2009/056},
    year = {2009},
    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.