Cryptology ePrint Archive: BibTeX Citation of Report 2009/097

@misc{cryptoeprint:2009:097,
    author = {Brian J. Matt},
    title = {Identification of Multiple Invalid Signatures in Pairing-based Batched Signatures},
    howpublished = {Cryptology ePrint Archive, Report 2009/097},
    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.