Cryptology ePrint Archive: BibTeX Citation of Report 1998/007

@misc{cryptoeprint:1998:007,
    author = {Mihir Bellare, Juan A. Garay, and Tal Rabin},
    title = {Fast Batch Verification for Modular Exponentiation and Digital Signatures},
    howpublished = {Cryptology ePrint Archive, Report 1998/007},
    year = {1998},
    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.