Cryptology ePrint Archive: BibTeX Citation of Report 2009/260

@misc{cryptoeprint:2009:260,
    author = {Kota Ideguchi and Toru Owada and Hirotaka Yoshida},
    title = {A Study on RAM Requirements of Various SHA-3 Candidates on Low-cost 8-bit CPUs},
    howpublished = {Cryptology ePrint Archive, Report 2009/260},
    year = {2009},
    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.