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We discuss the production of cosmogenic neutrinos on extragalactic infraredphotons in a model of its cosmological evolution. The relative importance ofthese infrared photons as a target for proton interactions is significant,especially in the case of steep injection spectra of the ultrahigh energycosmic rays. For an E$^{-2.5}$ cosmic ray injection spectrum, for example, theevent rate of neutrinos of energy above 1 PeV is more than doubled.Comment: Seven pages, 9 postscript figures, uses revtex

Cosmogenic neutrinos from cosmic ray interactions with extragalactic infrared photons