Cryptology ePrint Archive: BibTeX Citation of Report 2006/002

@misc{cryptoeprint:2006:002,
    author = {S.G. Barwick and W.-A. Jackson.},
    title = {Geometric constructions of optimal linear perfect hash families},
    howpublished = {Cryptology ePrint Archive, Report 2006/002},
    year = {2006},
    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.