@misc{cryptoeprint:2021:722,
    author = {Yusaku Maeda and Koji Nuida},
    title = {Chosen Ciphertext Secure Keyed Two-Level Homomorphic Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2021/722},
    year = {2021},
    url = {https://eprint.iacr.org/2021/722},
}