Cryptology ePrint Archive: BibTeX Citation of Report 2014/950

@misc{cryptoeprint:2014:950,
    author = {Koji Nuida and Goichiro Hanaoka and Takahiro Matsuda},
    title = {Tree-Structured Composition of Homomorphic Encryption: How to Weaken Underlying Assumptions},
    howpublished = {Cryptology ePrint Archive, Report 2014/950},
    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.