TY - RPRT TI - Recommendation for cryptographic key generation AU - Barker, Elaine AU - Roginsky, Allen AU - Davis, Richard PY - 2020 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST SP 800-133r2 DO - 10.6028/NIST.SP.800-133r2 ER -