Cryptology ePrint Archive: BibTeX Citation of Report 2007/179

@misc{cryptoeprint:2007:179,
    author = {Kwang Ho Kim and So In Kim and Ju Song Choe},
    title = {New Fast Algorithms for Arithmetic on Elliptic Curves over Fields of Characteristic Three},
    howpublished = {Cryptology ePrint Archive, Report 2007/179},
    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.