1. Anonymous, Cryptanalysis of the HFE Public Key Cryptosystem, not yet published.
2. Anonymous, Practical cryptanalysis of Hidden Field Equations (HFE), not yet published.
3. Anonymous, Cryptanalysis of Patarin’s 2-Round Public Key System with S Boxes, not yet published.
4. D. Coppersmith, personal communication, e-mail.
5. Z. Dai, D. Ye, K.-Y. Lam, Factoring-attacks on Asymmetric Cryptography Based on Mapping-compositions, not yet published.