Cryptology ePrint Archive: BibTeX Citation of Report 2010/650

@misc{cryptoeprint:2010:650,
    author = {Jean-Sebastien Coron and Antoine Joux and Avradip Mandal and David Naccache and Mehdi Tibouchi},
    title = {Cryptanalysis of the RSA Subgroup Assumption from TCC 2005},
    howpublished = {Cryptology ePrint Archive, Report 2010/650},
    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.