@misc{cryptoeprint:2011:572,
    author = {Ayan Mahalanobis},
    title = {The ElGamal cryptosystem over circulant matrices},
    howpublished = {Cryptology ePrint Archive, Report 2011/572},
    year = {2011},
    url = {http://eprint.iacr.org/2011/572},
}