Yes, I would be happy to share that ... I will look it up as soon as I have occasion. It is at home in the vast array of notes and articles I have in my files. In the mean time, perhaps a google search might produce some fruit.
It might be Psuedo-Ephraim ... or something like that ... Im pretty sure Erasmus is wrong now that I ponder it.
I found a secondary source ...
Seems that Dr. Robert Gundry has written a critique of the source and supposedly "dismantled" the pretrib use of this early source. The source is dated in the 4th century.
Guntry has a book called "First The Antichrist" that will have this source listed.
I should point out that Gundry is a hard-core POST-tribulationist so his analysis should be carefully analyzed (unless youre a post-tribber yourself ... lol)