%% You should probably cite rfc5081 instead of this I-D.
@techreport{ietf-tls-openpgp-keys-11,
    number =    {draft-ietf-tls-openpgp-keys-11},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-tls-openpgp-keys/11/},
    author =    {Nikos Mavrogiannopoulos},
    title =     {{Using OpenPGP Keys for Transport Layer Security (TLS) Authentication}},
    pagetotal = 8,
    year =      2006,
    month =     aug,
    day =       28,
    abstract =  {This memo proposes extensions to the Transport Layer Security (TLS) protocol to support the OpenPGP key format. The extensions discussed here include a certificate type negotiation mechanism, and the required modifications to the TLS Handshake Protocol. This memo defines an Experimental Protocol for the Internet community.},
}