NIST has determined to extend the public comment period for the draft revision of Special Publication 800-56B, Recommendation for Pair-Wise Key Establishment Schemes Using Integer Factorization Cryptography to May 30, 2014. Please submit comments to 56B2014rev-comments@nist.gov with "Comments on SP 800-56B (Revision 1)" in the subject line before May 30, 2014.