Cryptology ePrint Archive: BibTeX Citation of Report 2007/172

@misc{cryptoeprint:2007:172,
    author       = {Jan Camenisch and
		    Susan Hohenberger and
		    Michael Østergaard Pedersen},
    title        = {Batch Verification of Short Signatures},
    howpublished = {Cryptology ePrint Archive, Report 2007/172},
    year         = {2007},
    note         = {\url{https://ia.cr/2007/172}},
}

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