@misc{cryptoeprint:2019:1337,
    author = {Peter Chvojka and Tibor Jager and Saqib A. Kakvi},
    title = {Offline Witness Encryption with Semi-Adaptive Security},
    howpublished = {Cryptology ePrint Archive, Report 2019/1337},
    year = {2019},
    url = {https://eprint.iacr.org/2019/1337},
}