Cryptology ePrint Archive: BibTeX Citation of Report 2014/003

@misc{cryptoeprint:2014:003,
    author = {Xi Xiong and Haining Fan},
    title = {$GF(2^n)$ Bit-Parallel Squarer Using Generalized Polynomial Basis For a New Class of Irreducible Pentanomials},
    howpublished = {Cryptology ePrint Archive, Report 2014/003},
    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.