Cryptology ePrint Archive: BibTeX Citation of Report 2005/307

@misc{cryptoeprint:2005:307,
    author = {K. Bentahar},
    title = {The Equivalence Between the DHP and DLP for Elliptic Curves Used in Practical Applications, Revisited},
    howpublished = {Cryptology ePrint Archive, Report 2005/307},
    year = {2005},
    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.