Cryptology ePrint Archive: BibTeX Citation of Report 2014/815

@misc{cryptoeprint:2014:815,
    author = {Palash Sarkar and Shashank Singh},
    title = {A New Method for Decomposition in the Jacobian of Small Genus Hyperelliptic Curves},
    howpublished = {Cryptology ePrint Archive, Report 2014/815},
    year = {2014},
    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.