%% You should probably cite draft-ietf-mpls-lsp-ping-reply-mode-simple instead of this I-D.
@techreport{akiya-mpls-lsp-ping-reply-mode-simple-01,
    number =    {draft-akiya-mpls-lsp-ping-reply-mode-simple-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-akiya-mpls-lsp-ping-reply-mode-simple/01/},
    author =    {Nobo Akiya and George Swallow and Carlos Pignataro and Loa Andersson and Mach Chen},
    title =     {{Label Switched Path (LSP) Ping/Trace Reply Mode Simplification}},
    pagetotal = 8,
    year =      2013,
    month =     dec,
    day =       17,
    abstract =  {This document adds one reply mode to indicate reverse LSP, to be used by Multiprotocol Label Switching (MPLS) Label Switched Path (LSP) Ping and Traceroute. This document also adds an optional TLV which can carry ordered list of reply modes. This document updates {[}RFC4379{]}.},
}