@misc{cryptoeprint:2015:1011,
    author = {Zvika Brakerski and Gil Segev},
    title = {Hierarchical Functional Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2015/1011},
    year = {2015},
    url = {https://eprint.iacr.org/2015/1011},
}