%% You should probably cite draft-ietf-ipdvb-ule-ext instead of this I-D.
@techreport{fairhurst-ipdvb-ule-ext-01,
    number =    {draft-fairhurst-ipdvb-ule-ext-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-fairhurst-ipdvb-ule-ext/01/},
    author =    {Bernhard Collini-Nocker and Gorry Fairhurst},
    title =     {{Extension Formats for Unidirectional Link Encapsulation (ULE) and the Generic Stream Encapsulation (GSE)}},
    pagetotal = 0,
    year =      2007,
    month =     jan,
    day =       11,
    abstract =  {This document describes a set of Extension Headers for the Unidirectional Lightweight Encapsulation (ULE). The Extension Header formats defined in this document provide new extensions that are common extensions to both ULE and the Generic Stream Encapsulation (GSE) defined by the second generation framing structure DVB-S2 standard (Channel coding and modulation systems for Broadcasting, Interactive Services, News Gathering and other broadband satellite applications).},
}