Psuedocode is just a simplified representation of a program that describes the logical flow of your code. Since programming is a logical exercise, meeting the requirements of psuedocode is achievable regardless of the actual programming language. Look here for more information:
http://en.wikipedia.org/wiki/Pseudocode
There is no magic way to generate psuedocode other than to write it. You will notice that examples resemble Java or C++ in form, however, the logic can still be applied to LabView.