Pokemon Mystery Dungeon Explorers of sky Item needed

Where can you find The TM Blizzard? It's important for me to have it because skitty can use it and it's the best move I ever had. But now I Can't find it in PMDES. Can you help me?

Four ways possibily.
Wait until the code generator for PMDES comes. (Don't know the date)
I think you can buy it from the tm store for 8000? I'm not sure.
Go into a dungeon and try to find it. It's about like a 10% chance depending on the place.
Missions.

Here is the Wonder Mail code:
H2383 W#@T563 3NX4T
8T7QN 1@%&+HH 1KF=9Source: http://www.gamefaqs.com/portable/ds/file/955859/58573

i bought it in the shop

The best place would be in the shop. As long as you have enough money. I dont think its very cheap :(