%% You should probably cite rfc9145 instead of this I-D.
@techreport{ietf-sfc-nsh-integrity-00,
    number =    {draft-ietf-sfc-nsh-integrity-00},
    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-sfc-nsh-integrity/00/},
    author =    {Mohamed Boucadair and Tirumaleswar Reddy.K and Dan Wing},
    title =     {{Integrity Protection for the Network Service Header (NSH) and Encryption of Sensitive Context Headers}},
    pagetotal = 27,
    year =      ** No value found for 'doc.pub_date.year' **,
    month =     ** No value found for 'doc.pub_date' **,
    day =       ** No value found for 'doc.pub_date.day' **,
    abstract =  {This specification adds integrity protection and optional encryption of sensitive metadata directly to the Network Service Header (NSH) used for Service Function Chaining (SFC).},
}