%% You should probably cite rfc4748 instead of this I-D.
@techreport{ietf-ipr-ietf-trust-update-03,
    number =    {draft-ietf-ipr-ietf-trust-update-03},
    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-ipr-ietf-trust-update/03/},
    author =    {Scott O. Bradner},
    title =     {{RFC 3978 Update to Recognize the IETF Trust}},
    pagetotal = 4,
    year =      2006,
    month =     sep,
    day =       6,
    abstract =  {This document updates RFC 3978 "IETF Rights in Contributions" to recognize that the IETF Trust is now the proper custodian of all IETF-related intellectual property rights. This document does not constrain how the IETF Trust exercises those rights. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.},
}