%% You should probably cite rfc3615 instead of this I-D.
@techreport{gustin-goyens-urn-id-02,
    number =    {draft-gustin-goyens-urn-id-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-gustin-goyens-urn-id/02/},
    author =    {Andre Goyens and Jean-Marc Gustin},
    title =     {{A Uniform Resource Name (URN) Namespace for SWIFT Financial Messaging}},
    pagetotal = 5,
    year =      2002,
    month =     apr,
    day =       12,
    abstract =  {This document describes a Uniform Resource Name (URN) namespace that is managed by SWIFT for usage within messages standardized by SWIFT.},
}