You need to dig them up and place them in a container with a lid. The lid should have a couple of tiny holes in it. I use shoebox sized plastic containers.
I fill them about half full of slighly moist vermiculite. To test the vermiculite for moisture, take a fist full of it and if you can't squeeze more than a drop or two of water out of it the moisture level is right.
The eggs should be dug up carefully and moved so that you do not rotate or turn them. They should be laid in rows about 1" apart in dents made with your thumb in the vermiculite.
The container should be put somewhere in the dark where the temperature is about 76F. It will take them about 250 days to hatch at this temperature.
Good luck!