@misc{cryptoeprint:2015:414,
    author = {Mridul Nandi},
    title = {On the Optimality of Non-Linear Computations of Length-Preserving Encryption Schemes},
    howpublished = {Cryptology ePrint Archive, Report 2015/414},
    year = {2015},
    url = {https://eprint.iacr.org/2015/414},
}