Cryptology ePrint Archive: BibTeX Citation of Report 2010/300

@misc{cryptoeprint:2010:300,
    author = {Vorapong Suppakitpaisarn and Masato Edahiro and Hiroshi Imai},
    title = {Optimal Average Joint Hamming Weight and Minimal Weight Conversion of d Integers},
    howpublished = {Cryptology ePrint Archive, Report 2010/300},
    year = {2010},
    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.