Cryptology ePrint Archive: BibTeX Citation of Report 2007/099

@misc{cryptoeprint:2007:099,
    author = {Jaime Gutierrez and Alvar Ibeas},
    title = {Inferring sequences produced by a linear congruential generator on elliptic curves missing high--order bits},
    howpublished = {Cryptology ePrint Archive, Report 2007/099},
    year = {2007},
    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.