%% You should probably cite rfc6170 instead of this I-D.
@techreport{ietf-pkix-certimage-11,
    number =    {draft-ietf-pkix-certimage-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-pkix-certimage/11/},
    author =    {Stefan Santesson and Russ Housley and Leonard Rosenthol and Siddharth Bajaj},
    title =     {{Internet X.509 Public Key Infrastructure -- Certificate Image}},
    pagetotal = 12,
    year =      2011,
    month =     feb,
    day =       15,
    abstract =  {This document specifies a method to bind a visual representation of a certificate in the form of a certificate image to a public key certificate as defined in RFC 5280, by defining a new "otherLogos" image type according to RFC 3709. {[}STANDARDS-TRACK{]}},
}