Cryptology ePrint Archive: BibTeX Citation of Report 2002/188

@misc{cryptoeprint:2002:188,
    author = {Daewan Han and Jin Hong and Jae Woo Han and Daesung Kwon},
    title = {Key recovery attacks on NTRU without ciphertext validation routine},
    howpublished = {Cryptology ePrint Archive, Report 2002/188},
    year = {2002},
    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.