@misc{cryptoeprint:2013:344,
    author = {Andrej Bogdanov and Chin Ho Lee},
    title = {Limits of provable security for homomorphic encryption},
    howpublished = {Cryptology ePrint Archive, Report 2013/344},
    year = {2013},
    url = {https://eprint.iacr.org/2013/344},
}