%% You should probably cite rfc4398 instead of this I-D.
@techreport{ietf-dnsext-rfc2538bis-09,
    number =    {draft-ietf-dnsext-rfc2538bis-09},
    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-dnsext-rfc2538bis/09/},
    author =    {Simon Josefsson},
    title =     {{Storing Certificates in the Domain Name System (DNS)}},
    pagetotal = 17,
    year =      2005,
    month =     oct,
    day =       20,
    abstract =  {Cryptographic public keys are frequently published, and their authenticity is demonstrated by certificates. A CERT resource record (RR) is defined so that such certificates and related certificate revocation lists can be stored in the Domain Name System (DNS). {[}STANDARDS-TRACK{]}},
}