Cryptology ePrint Archive: BibTeX Citation of Report 2007/044

@misc{cryptoeprint:2007:044,
    author = {Philip Hawkes and Cameron McDonald and Michael Paddon and Gregory Rose and Miriam Wiggers de Vries},
    title = {Design and Primitive Specification for Shannon},
    howpublished = {Cryptology ePrint Archive, Report 2007/044},
    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.