125-kHz receiving antenna for a circuit

My problem is when I design circuit, I dont know how to choose Antenna for them. How many way to design antenna? Could I draw antenna on board?
I can not find out any documents about that.
any link or doc or anything would be of great help to me
thanks

If you are interested in a 125-kHz receiving antenna, it is attached.
If not then ask again.

any idea about d reader... thanks 4 cur help