%% You should probably cite rfc2228 instead of this I-D.
@techreport{ietf-cat-ftpsec-09,
    number =    {draft-ietf-cat-ftpsec-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-cat-ftpsec/09/},
    author =    {Steven J. Lunt},
    title =     {{FTP Security Extensions}},
    pagetotal = 27,
    year =      1996,
    month =     nov,
    day =       26,
    abstract =  {This document defines extensions to the FTP specification STD 9, RFC},
}